Description

MS Lorry driving along up a river. MS Workmen with drills on side of mountain. Dramatic shot, workmen stand on skeleton roof of an artificial tunnel to railway line on the new Mexican railroad that shortens the route to the United States of America / USA. Panning shot Sierra Madres mountains ending on LS of large viaduct. LS Mexican workmen swing rail into position. CU Attaching rail to sleeper. LS and CU Construction gang shovelling stones between sleepers onto track. MS Rail bulldozer levelling stones. CU and LS Stone-packing device. Various shots, construction gang laying concrete blocks, rubber shock absorbing pads and then the rail. MS Steam hauled good train emerges from the tunnel. MS Travelling shot of railway track from the front of the train.

Note: Date on original paperwork reads; 25/05/1961. American commentary.